Java JRuby with Sass Compass in a single jar
Download the latest copy of JRuby (At the time of this posting it's version 1.7.4) (http://www.jruby.org/download Find the "Complete Jar", second link from the bottom in the top group of links for the latest version)
The rest is command line:
cp jruby-complete-1.7.4.jar jruby-complete.jar
java -jar jruby-complete.jar -S gem install -i ./compass-gems shared --no-rdoc --no-ri java -jar jruby-complete.jar -S gem install -i ./compass-gems sass --pre --no-rdoc --no-ri java -jar jruby-complete.jar -S gem install -i ./compass-gems compass --pre --no-rdoc --no-ri
mv jruby-complete.jar jcompass.jar
jar uf jcompass.jar -C compass-gems .
java -jar jcompass.jar -S compass compile --help java -jar jcompass.jar -S compass compile --sass-dir /relative/or/full/path/to/source/scss/files/ --css-dir /relative/or/full/path/to/destination/css/files/ --force
========
Copyright (c) 2013, GBUILT This software and instructions are free to use, modify, and distribute. Restricted by nothing other than any restictions from JRuby http://www.jruby.org